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Re^3: File existence check failure

by Athanasius (Chancellor)
on Nov 11, 2012 at 04:11 UTC ( #1003297=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub fexist
    {
    ...
    
        return 0;
    }
    
  2. or download this
    use v5.14;
    ...
    ...
            cleanup_file($_) when -f;
        }
    }
    

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[Discipulus]: good morning Corion!
[Corion]: I spent parts of yesterday digging into Filter::Simple to make it not change the line numbers of unfiltered code, but I think I need regex help (which will come in a SoPW I guess). I tried @lines = /((?:"...."|[^" \n]+)\n)/gs, but that matched on...
[Corion]: ... foo "\0\0\0\n" bar\n by matching the first \n instead of matching the four-bytes-in- double-quotes part
[Corion]: ... and I still don't understand why ;)
[Corion]: This is because Filter::Simple does some string-trickery, replacing all string literals with "quoted packed numbers"
[Corion]: I fear this might be a bug in the RE engine, but if it is a bug, even fixing won't help me because I need Filter::Simple for Filter::signatures , which provides signatures as a backwards compatibility feature for Perl <5.22 - and these ...

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